Bump concurrently from 8.2.2 to 9.0.1 in /backstage

Bumps [concurrently](https://github.com/open-cli-tools/concurrently) from 8.2.2 to 9.0.1.
- [Release notes](https://github.com/open-cli-tools/concurrently/releases)
- [Commits](open-cli-tools/concurrently@v8.2.2...v9.0.1)

---
updated-dependencies:
- dependency-name: concurrently
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

backstage/package.json

@@ -36,7 +36,7 @@
   "devDependencies": {
     "@backstage/cli": "^0.26.2",
     "@spotify/prettier-config": "^15.0.0",
-    "concurrently": "^8.0.1",
+    "concurrently": "^9.0.1",
     "lerna": "^8.0.0",
     "node-gyp": "^10.0.1",
     "pre-commit": "^1.2.2",

backstage/yarn.lock

@@ -13341,17 +13341,15 @@ concat-with-sourcemaps@^1.1.0:
   dependencies:
     source-map "^0.6.1"
 
-concurrently@^8.0.1:
-  version "8.2.2"
-  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-8.2.2.tgz#353141985c198cfa5e4a3ef90082c336b5851784"
-  integrity sha512-1dP4gpXFhei8IOtlXRE/T/4H88ElHgTiUzh71YUmtjTEHMSRS2Z/fgOxHSxxusGHogsRfxNq1vyAwxSC+EVyDg==
+concurrently@^9.0.1:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-9.0.1.tgz#01e171bf6c7af0c022eb85daef95bff04d8185aa"
+  integrity sha512-wYKvCd/f54sTXJMSfV6Ln/B8UrfLBKOYa+lzc6CHay3Qek+LorVSBdMVfyewFhRbH0Rbabsk4D+3PL/VjQ5gzg==
   dependencies:
     chalk "^4.1.2"
-    date-fns "^2.30.0"
     lodash "^4.17.21"
     rxjs "^7.8.1"
     shell-quote "^1.8.1"
-    spawn-command "0.0.2"
     supports-color "^8.1.1"
     tree-kill "^1.2.2"
     yargs "^17.7.2"
@@ -14136,7 +14134,7 @@ dataloader@^2.0.0, dataloader@^2.2.2:
   resolved "https://registry.yarnpkg.com/dataloader/-/dataloader-2.2.2.tgz#216dc509b5abe39d43a9b9d97e6e5e473dfbe3e0"
   integrity sha512-8YnDaaf7N3k/q5HnTJVuzSyLETjoZjVmHc4AeKAzOvKHEFQKcn64OKBfzHYtE9zGjctNM7V9I0MfnUVLpi7M5g==
 
-date-fns@^2.16.1, date-fns@^2.30.0:
+date-fns@^2.16.1:
   version "2.30.0"
   resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.30.0.tgz#f367e644839ff57894ec6ac480de40cae4b0f4d0"
   integrity sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw==
@@ -25144,11 +25142,6 @@ space-separated-tokens@^2.0.0:
   resolved "https://registry.yarnpkg.com/space-separated-tokens/-/space-separated-tokens-2.0.2.tgz#1ecd9d2350a3844572c3f4a312bceb018348859f"
   integrity sha512-PEGlAwrG8yXGXRjW32fGbg66JAlOAwbObuqVoJpv/mRgoWDQfgH1wDPvtzWyUSNAXBGSk8h755YDbbcEy3SH2Q==
 
-[email protected]:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/spawn-command/-/spawn-command-0.0.2.tgz#9544e1a43ca045f8531aac1a48cb29bdae62338e"
-  integrity sha512-zC8zGoGkmc8J9ndvml8Xksr1Amk9qBujgbF0JAIWO7kXr43w0h/0GJNM/Vustixu+YE8N/MTrQ7N31FvHUACxQ==
-
 spawn-sync@^1.0.15:
   version "1.0.15"
   resolved "https://registry.yarnpkg.com/spawn-sync/-/spawn-sync-1.0.15.tgz#b00799557eb7fb0c8376c29d44e8a1ea67e57476"